Master Transmuter, Retreat to Coralhelm, and Seat of the Synod

Prerequisites

• Master Transmuter on the battlefield
• Retreat to Coralhelm on the battlefield
• Seat of the Synod on the battlefield
• Master Transmuter does not have summoning sickness

Steps

1. Activate Seat of the Synod by tapping it, adding
2. Activate Master Transmuter by paying , tapping it and returning Seat of the Synod from the battlefield to your hand, putting Seat of the Synod from your hand onto the battlefield
3. Retreat to Coralhelm triggers, untapping Master Transmuter
4. Repeat

Results

• Infinite landfall triggers